Abstract: In an approach to improve improving impact prevention in both manual and autonomous vehicles embodiments of the present invention generate a knowledge corpus based on data collected, from one or more internet of thing (IoT) sensors, associated with one or more predetermined risk factors of one or more predefined risks over time. Further, embodiments receive from the one or more IoT sensors input data to observe a vertical space above a vehicle and identify an object in a predetermined area based on the received input data and the knowledge corpus. Additionally, utilize the knowledge corpus and the input data to generate a risk score for the identified object and responsive to the risk score being above a predetermined threshold, embodiments issue a command for the vehicle to continue to drive or to progress to a predetermined safe zone.

Abstract: Reversible Spatial 2? Hydroxyl Acylation Reversible Crosslinking (SHARC) agents and methods of using the same to determine spatial distance between nucleotides in a ribonucleic acid (RNA) molecule.

Abstract: A method for fabricating a working stamp for forming slanted surface gratings in a waveguide workpiece includes providing a master workpiece comprising a substrate and performing a sequence of photoresist deposition processes, grayscale lithography processes, and etching processes on the master workpiece so as to form an imprint replication master having a pattern of slanted gratings in a working surface of its substrate, the slanted gratings having sidewalls that are not substantially orthogonal to a working surface of the substrate. The method also includes conforming a soft stamp material layer to the working surface of the imprint replication master so that the soft stamp material layer has a pattern of slanted protrusions corresponding to the pattern of slanted gratings, and removing the imprint replication master from the soft stamp material and curing the soft stamp material layer surrounding the pattern of slanted protrusions to form the working stamp.

Abstract: A clock synchronization method and apparatus, an electronic device and a storage medium are provided. The clock synchronization method includes: sending a trigger signal to a second processing module and recording a current count value of the first timer upon sending the trigger signal as a first count value; and reading a second count value from the second processing module, the second count value is a current count value of a second timer of the second processing module upon the second processing module receiving the trigger signal, and a count value of the second timer is used as a timing reference of the second processing module and sequentially increasing; the first count value and the second count value are used for a clock compensation to synchronize a first clock domain where the first processing module is located with a second clock domain where the second processing module is located.

Abstract: The present disclosure provides a driving assembly, a LiDAR, and a carrier system. The driving assembly comprises: a shaft comprising a first end and a second end; a first bearing sleeved on an outer side of the shaft and located close to the first end; a second bearing sleeved on the outer side of the shaft and located close to the second end; a stator sleeved on the outer side of the shaft and located between the first bearing and the second bearing; and a rotor assembly fixedly connected to an outer ring of the first bearing and an outer ring of the second bearing and arranged corresponding to the stator, the rotor assembly being configured to be connected to the optical assembly. The spatial arrangement of the driving assembly of the LiDAR improves the stability of the LiDAR during rotation, and reduces the wear of parts and components.

Abstract: A low-carbon and low-alloy dual-phase steel and hot-dip galvanized dual-phase steel having tensile strength greater than or equal to 980 MPa and a method for manufacturing by means of rapid heat treatment. The steel has the following chemical components in percentage by mass: C: 0.05-0.17%, Si: 0.1-0.7%, Mn: 1.4-2.8%, P?0.020%, S?0.005%, B?0.005%, and Al: 0.02-0.055%, and may further contain two or more of Nb, Ti, Cr, Mo, and V, Cr+Mo+Ti+Nb+V?1.1%, the balance is Fe and other inevitable impurities. The method for manufacturing the steel comprises: smelting, casting, hot rolling, cold rolling and rapid heat treatment procedures. According to the present invention, the recovery, recrystallization and austenite transformation process of a deformed structure is changed, the nucleation rate is increased, the grain growth time is shortened, grains are refined, the strength of the material is improved, and the performance range of the material is expanded.

Abstract: Embodiments of this application disclose a communication method and a related apparatus. The method includes: receiving first information from an access network device; entering a first state based on the first information; receiving, in the first state, wake-up information from the access network device, and skipping receiving, in the first state, one or more pieces of the following information from the access network device: a paging message, a synchronization signal, or a system message; and leaving the first state based on the wake-up information, and receiving the one or more pieces of information from the access network device; or leaving the first state based on the wake-up information, and initiating a random access request. With the low-power first state introduced, power consumption of a terminal device is reduced.

Abstract: A titanium alloy blade tip with a wear-resistant protective coating and a preparation method thereof are provided. The method includes: (1) spraying MCrAlY alloy powder on a surface of a titanium alloy blade tip by high velocity oxygen fuel (HVOF) spraying at a spraying distance of 300-400 mm to obtain the titanium alloy blade tip with a MCrAlY layer on the surface; where M is one of Ni and NiCo; (2) pre-plating Ni at a current density of 4-10 A/dm2; (3) placing the pre-plated titanium alloy blade tip in a Watt solution, covering a surface of the pre-plated titanium alloy blade tip obtained in the step (2) with abrasive particles, and then performing composite electroplating at a current density of 0.5-2 A/dm2. In the method, the wear-resistant protective coating with the high adhesion strength is prepared on the titanium alloy blade tip, and the wear-resistant protective coating has good wear resistance.

Abstract: A method comprises constructing, for a specific activity, a decision model based on action data of one or more actions, each action having an identifier of an activity performed with a computer application, use data being operated on by the computer application, and a timestamp, the decision model including a rule specifying a first activity as a next activity or a probabilistic classifier that accepts use data being operated on via the specific activity and outputs an identifier of an activity to be performed as a next activity with a probability. The method comprises detecting performance of the specific activity, when the decision model for the specific activity includes the rule, automatically applying the rule, and when the decision model for the specific activity includes the probabilistic classifier and no applicable rule: executing the probabilistic classifier to obtain a list of candidate next activities and an associated list of probabilities.

Abstract: A method for training a surface defect detection model as well as a method and a system for detecting a surface defect are provided. The method and the system for detecting a surface defect adopt the trained surface defect detection model. The method for training a surface defect detection model includes acquiring a normal image of a product and an external image that is irrelevant to the product and inputting the normal image and the external image into a deep neural network-based surface defect detection model, and training the deep neural network-based surface defect detection model to obtain the trained surface defect detection model. The normal image represents the product surface of no defect on this surface.

Abstract: A non-volatile static random access memory includes: a static random access memory, a reading element and a first embedded non-volatile memory. The static random access memory includes a first inverter, a second inverter and two transistors, an output terminal of the first inverter and the input terminal of the second inverter are electrically connected to each other to serve as a Q node, an input terminal of the first inverter and an output terminal of the second inverter are electrically connected to each other to serve as a QB node, and the two transistors are electrically connected to the Q node and the QB node, respectively. The reading element is electrically connected to the Q node. The first embedded non-volatile memory is electrically connected to the QB node.

Abstract: The present disclosure relates to an image display method and apparatus, a device, and a medium. The image display method includes: displaying an initial scene image in a target interactive interface; in response to a first trigger operation, displaying a target area on the initial scene image, an area range of the target area being expanded with an increase of a display duration of the target area; and displaying a target scene image in the target area, a display size of the target scene image being enlarged with expansion of the area range of the target area.

Abstract: Systems and methods for image processing are described. Embodiments of the present disclosure receive an image comprising a first region that includes content and a second region to be inpainted. Noise is then added to the image to obtain a noisy image, and a plurality of intermediate output images are generated based on the noisy image using a diffusion model trained using a perceptual loss. The intermediate output images predict a final output image based on a corresponding intermediate noise level of the diffusion model. The diffusion model then generates the final output image based on the intermediate output image. The final output image includes inpainted content in the second region that is consistent with the content in the first region.

Abstract: A computerized system for pairing physical objects with virtual representations comprising: a structure having a static location; a controller uniquely associated with the structure and in communication with an immutable ledger, a remote delivery computer system, a payment management computer system and a remote maintenance computer device; an input assembly in communications with the controller; a set of computer readable instructions included in the controller adapted for management of a payment account selected from the group consisting of a mortgage, lease, rent, utility, insurance, tax, common area dues, homeowner dues, regime fees, and any combination thereof and managing a maintenance request.

Abstract: Disclosed are a vehicle positioning method based on environment matching, a vehicle positioning device based on environment matching, a vehicle and a storage medium. The method includes: obtaining current environment data and a current road image of a location of a vehicle to be located; searching for an environmental impact road image set matching with the current environment data; matching the current road image with an environmental impact road image in the environmental impact road image set respectively to obtain a target environmental impact road image matching with the current road image; and determining current location information of the vehicle to be located based on the target environmental impact road image.

Abstract: Systems and methods for inserting an object into a background are described. Examples of the systems and methods include obtaining a background image including a region for inserting the object, and encoding the background image to obtain an encoded background. A modified image is then generated based on the encoded background using a diffusion model. The modified image depicts the object within the region.

Abstract: A buck converter using an ultra-low working current is provided. An error amplifier amplifies a difference between a voltage of an output terminal of the buck converter and a reference voltage to output an error amplified signal. A comparator compares a voltage of the error amplified signal with a ramp voltage to output a comparison signal. A control circuit controls a driver circuit to drive a high-side switch and a low-side switch according to the comparison signal. When the buck converter does not enter an ultra-low current mode, a low current controller circuit controls a system circuit to obtain an input current from an input power source. When the buck converter enters the ultra-low current mode, the low current controller circuit controls the system circuit to stop obtaining the input current from the input power source.

Abstract: A method for prelithiating a soft carbon negative electrode includes the steps of: disposing the soft carbon negative electrode and a lithium metal piece spaced apart from each other with a lithium-containing electrolyte present therebetween; prelithiating the soft carbon negative electrode at a first constant C-rate until a voltage thereof is reduced to a first predetermined voltage not greater than 0.3 V vs. Li/Li+, the first constant C-rate being not greater than 5 C; prelithiating the soft carbon negative electrode at a second constant C-rate until the voltage thereof is reduced to a second predetermined voltage lower than the first predetermined voltage, the second constant C-rate being not greater than 0.2 C and being less than the first constant C-rate; and prelithiating the soft carbon negative electrode at a prelithiation constant voltage which is not greater than the second predetermined voltage, thereby completing prelithiation of the soft carbon negative electrode.

Abstract: A high-conductivity sulfur-based positive electrode material for a secondary battery and a secondary battery are provided. The sulfur-based positive electrode material is formed by evenly mixing highly isotactic polyacrylonitrile as a precursor with elemental sulfur and then heating to undergo a chemical reaction. The highly isotactic polyacrylonitrile is synthesized from an acrylonitrile monomer by means of a free radical polymerization or inclusion polymerization reaction under the action of a template agent.

Abstract: Techniques for modeling secondary motion based on three-dimensional models are described as implemented by a secondary motion modeling system, which is configured to receive a plurality of three-dimensional object models representing an object. Based on the three-dimensional object models, the secondary motion modeling system determines three-dimensional motion descriptors of a particular three-dimensional object model using one or more machine learning models. Based on the three-dimensional motion descriptors, the secondary motion modeling system models at least one feature subjected to secondary motion using the one or more machine learning models. The particular three-dimensional object model having the at least one feature is rendered by the secondary motion modeling system.